Definitive Healthcare (DH) chair has 44,545 shares withheld to cover RSU taxes

Rhea-AI Filing Summary

Definitive Healthcare Corp. Executive Chairman Jason Ronald Krantz reported a tax-related share withholding on February 1, 2026. The issuer withheld 44,545 shares of Class A Common Stock at $2.32 per share to cover tax obligations linked to vesting of previously reported restricted stock units.

After this transaction, Krantz beneficially owned 1,016,039 Class A shares directly and 450,000 shares indirectly through DH Holdings (formerly the Jason R. Krantz 2009 Trust), where he is the beneficiary.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Krantz Jason Ronald

(Last) (First) (Middle)

C/O DEFINITIVE HEALTHCARE CORP.

492 OLD CONNECTICUT PATH, SUITE 401

(Street)

FRAMINGHAM MA 01701

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Definitive Healthcare Corp. [ DH ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)	X	Other (specify below)
			EXECUTIVE CHAIRMAN

3. Date of Earliest Transaction (Month/Day/Year)
02/01/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	02/01/2026		F(1)		44,545	D	$2.32	1,016,039	D
DH Holdings (f/k/a Jason R. Krantz 2009 Trust)								450,000(2)	I	See Footnote (2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of previously reported restricted stock units.

2. Amount beneficially owned in trust by DH Holdings (f/k/a Jason R. Krantz 2009 Trust), of which the reporting person is the beneficiary.

	/s/ Jonathan Paris, Attorney-in-Fact	02/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Jason Ronald Krantz report in this DH Form 4 filing?

Jason Ronald Krantz reported issuer withholding of 44,545 Definitive Healthcare Class A shares at $2.32 per share to satisfy tax obligations from vesting restricted stock units, rather than an open-market sale, on February 1, 2026.

How many Definitive Healthcare (DH) shares does Jason Krantz own after this transaction?

After the reported transaction, Jason Krantz beneficially owns 1,016,039 Definitive Healthcare Class A shares directly and 450,000 shares indirectly through DH Holdings, a trust where he is the beneficiary, as disclosed in the Form 4 filing.

Was the 44,545-share change in DH stock an open-market sale?

No, the 44,545 Definitive Healthcare shares were withheld by the issuer to cover Jason Krantz’s tax withholding obligations arising from vesting and settlement of previously reported restricted stock units, not sold in an open-market transaction.

What is DH Holdings in relation to Jason Krantz and Definitive Healthcare?

DH Holdings, formerly the Jason R. Krantz 2009 Trust, is a trust that beneficially owns 450,000 Definitive Healthcare shares. Jason Krantz is the beneficiary of this trust, and these shares are reported as indirectly owned on the Form 4.

What insider roles does Jason Ronald Krantz hold at Definitive Healthcare (DH)?

Jason Ronald Krantz is disclosed as a director, a 10% owner, and Executive Chairman of Definitive Healthcare Corp., making his share transactions and tax-related withholdings subject to Section 16 reporting on Form 4.

What does transaction code "F" mean in this DH Form 4?

Transaction code “F” in this Form 4 indicates shares were withheld by the issuer to pay taxes due on the vesting of equity awards, here covering Jason Krantz’s tax obligations tied to previously reported restricted stock units.